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CONTINUOUS MEASUREMENT AND CONTROL OF THE SPEED OF WAGONS SHUNTED OVER HUMPS

The classical automatic marshalling yard with retarders, weigh rails, wagon rollability measurement, doppler radar speed measurement computers, etc. falls short of what is required. Six new systems being developed in Europe are briefly described. These systems will be evaluated by comparing the following quantities: installation costs, system capacity, annual maintenance costs, and shortcomings.